b Chest Research Foundation

Pune, India

b Chest Research Foundation

Pune, India

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PubMed | Navkar Hospital, b Chest Research Foundation, g Revival Chest Clinic, Fortis Hospital and 6 more.
Type: Journal Article | Journal: The Journal of asthma : official journal of the Association for the Care of Asthma | Year: 2015

Salmeterol/fluticasone combination (SFC) formulated in a breath-actuated inhaler (BAI) overcomes the co-ordination problem associated with the pressurized-metered dose inhaler (pMDIs). Our aim was to compare the efficacy and the safety of SFC given through the BAI versus the conventional pMDI in moderate-to-severe asthmatics.In this randomized, double-blind, double-dummy, prospective, active-controlled, parallel group, multicenter, 12 weeks study, 150 asthmatics were randomized to receive SFC (25/125mcg) through either BAI or pMDI. The primary efficacy endpoint was mean change in pre-dose morning PEFR value at 12 weeks and the secondary efficacy endpoints included, mean change in FEV(1), pre-bronchodilator FVC, pre-dose morning and evening PEFR, symptom scores at 2, 4, 8, and 12 weeks. Patient preferences for device and safety were also assessed.At 12 weeks, the mean change in pre-dose morning PEFR in BAI and pMDI groups was 50.72L/min and 48.82L/min, respectively (p<0.0001; both groups) and the difference between the two groups was not significant. Both the treatment groups showed a statistically significant improvement in secondary endpoints at all-time points compared with baseline. The usability questionnaire assessment results showed that the BAI device was preferred by 75% of patients as compared with 25% preferring pMDI. SFC in both BAI and pMDI devices was found to be safe and well tolerated.This is the first study to demonstrate that SFC given through the BAI produces comparable efficacy and safety endpoints as pMDI. Additionally, BAI was the preferred inhaler by patients compared to conventional pMDI.

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